Question

Your monthly telephone bills for the past year have been as follows: January: $45.50 February: $44.18 March: $46.02 April: $41.73 May: $43.39 June: $47.64 July: $58.40 August: $54.28 September: $52.59 October: $50.82 November: 46.72 December: $51.33 What is your average monthly phone bill over the past year?

Answer 1

Answer:

48.55

Explanation:

Each Month Grand Total / Total Months

Answer 2

Answer:

The answer is $48.55

Explanation:

As we know,

Average = Sum of all observation / no. of observation

so by this,

($45.50+$44.18+$46.02+$41.73+$43.39+$47.64+$58.40+$54.28+$52.59+$50.82+$46.72+$51.33) divide by 12

= $582.6 / $12

= $48.55

so, the average monthly phone bill is $ 48.55.